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Drinking unwholesome water exposes the body to severe health risks, including typhoid fever, dysentery, diarrhea, and cholera. According to public health advisories from the Nigeria Centre for Disease Control and Prevention (NCDC), contaminated drinking water remains one of the fastest transmitters of cholera and severe gastrointestinal infections in urban communities.
In this article, Tribune Online examines five straightforward, practical ways you can inspect your packaged water to determine whether it has undergone proper treatment before you drink it.
Check the clarity and look for floating particles
The most immediate test you can carry out requires nothing more than your eyes and good lighting. Hold the sachet or transparent plastic bottle up against sunlight or a bright bulb, turn it gently upside down, and observe the contents closely.
Safe drinking water must be crystal clear with zero suspended matters. If you notice any faint cloudiness, a brownish tint, or tiny specks floating around, the water has bypassed the basic sedimentation and micron-filtration stages. Contaminated source water often carries sand grains, plant fragments, or microscopic silt directly from poorly constructed boreholes.
Sniff for unpleasant and chemical odours
Pure, treated drinking water is naturally odorless and should not carry any distinct smell when you open the seal. Before putting the bottle or sachet straight to your mouth, open it slightly and take a gentle sniff near the opening.
Untreated water often smells like rotten eggs, damp earth, or stale pond mud. A rotten egg scent indicates the presence of hydrogen sulfide produced by bacteria living in untreated underground water reserves. While a very faint chlorine smell occasionally suggests disinfection, an overwhelming chemical or foul sewage scent shows improper purification and unsafe handling.
Pay attention to an off-key or metallic taste
Your taste buds act as a reliable natural detector for dissolved impurities and foreign minerals. Once you take a tiny sip, standard potable water should taste completely neutral, crisp, and refreshing without lingering aftertastes.
If the water tastes distinctly salty, bitter, sour, or heavily metallic, spit it out immediately. A rusty or metallic taste often points to corroded iron plumbing or high iron concentrations common in raw, untreated groundwater. An overly bitter or chalky mouthfeel typically signifies dangerous chemical imbalances or unmonitored hard minerals that industrial filters failed to extract.
Inspect the seal, cap ring, and packaging quality
Unscrupulous vendors frequently collect discarded branded plastic bottles, fill them with raw tap or well water, and resell them to unsuspecting travelers. Therefore, taking a quick moment to scrutinise the outer container will instantly reveal whether the water was packaged in a certified, automated factory.
Examine the neck of the bottle to confirm that the plastic tamper-evident ring is firmly unbroken and cracks open with clear resistance. For sachet water, rub your fingers along the heat-sealed edges to ensure the seal was made by a clean industrial machine rather than an open candle flame or a crude iron sealer. Leaking seams, wrinkled film, and loose bottle caps are clear warning signs of manual, unhygienic refilling.
Verify the NAFDAC registration number and address
A genuine manufacturer must operate under strict regulatory supervision and display verifiable credentials on every single pack. All commercial water producers pass rigorous water-analysis tests before receiving a registration number.
Always inspect the sachet or label to confirm that a clear, legible NAFDAC number is printed alongside a complete, physical manufacturing address and production date. Fraudulent producers often print vague addresses like “Industrial Layout, Lagos” or invent fake registration codes. You can cross-check suspicious registration numbers directly on the official NAFDAC portal to confirm if the brand is genuine and active.
Paying close attention to these five physical signs takes less than thirty seconds, but it provides the critical line of defense between you and a debilitating waterborne illness. Whenever your senses raise a doubt about the look, smell, or packaging of any sachet or bottled water, trust your instincts, discard it, and look for a trusted, fully registered brand.
@ Nigerian Tribune
